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KMID : 1129720120290030431
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Korean Journal of Acupuncture
2012 Volume.29 No. 3 p.431 ~ p.440
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Spatial Influence on Acupoints Network Derived from the Chapter on Acupuncture & Moxibustion in "Beijiqianjinyaofang"
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Kim Min-Uk
Yang Seung-Bum
Ahn Seong-Hun
Sohn In-Chul
Kim Jae-Hyo
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Abstract
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Objectives: Recently, network science is very popular topic in various scientific fields and many studies have reported that it gives meaningful results on studying characteristics of a complex system. In this study, based on network theory, we made acupoints network using data of combined acupoints which appeared at "Beijiqianjinyaofang". We focused to find out the distinctive roles of remote and local combinations on the network. Furthermore, we aimed to identify the possibility of numerical and quantitative application to acupuncture researches.
Methods: Based on examples of combined acupoints in "Beijiqianjinyaofang", the network consisted of 291 nodes and 2,431 links. The spatial distances between combined acupoints were calculated by the human dummy model. We removed the links step by step for the three cases - remote, local, and random cases, and observed the characteristic changes by calculating path lengths, similarity indices, and clustering coefficients. Also cluster analysis was carried out.
Results: The network had a small number of remote links, and a large number of local links. These two links had the distinct characteristics. Whereas the local links formed a cluster of nearby nodes, remote links played a role to increase the correlation between the clusters.
Conclusions: These results suggest that acupoints network increases the connectivity between the distal part and the trunk of human body, and enables various combinations of the acupoints. This finding conclusively showed that mechanism of combined acupoints could be interpreted meaningfully by applying network theory in acupuncture researches.
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KEYWORD
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acupoint, network, path length, similarity index, cluster coefficient, Beijiqianjinyaofang
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